https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14287480Edit ImageSaveSaveEditCropCustom TextShin-Ou-Av Too-weap. This canon is 36 1/2 miles long and from 500 to 1,500 feet deep. [Green River. Still-Water Canon.] by Elias Olcott BeamanOriginal public domain image from Getty MuseumMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 775 px | 300 dpiLarge JPEG 3500 x 2261 px | 300 dpiBest Quality JPEG 6330 x 4090 px | 300 dpiFree DownloadShin-Ou-Av Too-weap. This canon is 36 1/2 miles long and from 500 to 1,500 feet deep. [Green River. Still-Water Canon.] by Elias Olcott BeamanMore